Inventor
SODA YUTAKA
JP32 patents
⚠️ This page may combine multiple inventors who share the name “SODA YUTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
31 patentsUS4703378AOct 27, 1987
Magnetic transducer head utilizing magnetoresistance effect
SONY CORP52 citations96
US4642716AFeb 10, 1987
Magnetic transducer head assembly with support system therefor
SONY CORP72 citations96
US6970332B2Nov 29, 2005
Magnetoresistive head with spin valve film magnetic sensor element
SONY CORP20 citations92
US6801379B2Oct 5, 2004
Multi-magnetic recording head, and magnetic recording method and magnetic recording apparatus using the same
SONY CORP22 citations92
US5872691AFeb 16, 1999
Thin film magnetic head, magnetoresistance effect magnetic head and composite magnetic head
SONY CORP18 citations92
US5822159AOct 13, 1998
Thin-film magnetic head, magnetoresistance effect magnetic head and composite magnetic head
SONY CORP41 citations92
US5313342AMay 17, 1994
Analog/digital compatible reproducing system
SONY CORP27 citations92
US5065390ANov 12, 1991
Optical playback head
SONY CORP28 citations92
US5260836ANov 9, 1993
Apparatus for reproducing digital and analog audio signals
SONY CORP23 citations90
US7324303B2Jan 29, 2008
Magnetic recording/reproducing head with head elements displaced in both head width and lamination directions
SONY CORP9 citations84
US6989974B2Jan 24, 2006
Magnetic recording/reproducing apparatus using a GMR head
SONY CORP17 citations83
US4734644AMar 29, 1988
Flux cancelling yoke type magnetic transducer head
SONY CORP24 citations82
US4679107AJul 7, 1987
Magnetic transducer head utilizing magnetoresistance effect
SONY CORP23 citations82
US4673999AJun 16, 1987
Multi channel magnetic transducer head
SONY CORP21 citations79
US5535077AJul 9, 1996
Magnetoresistive head having magnetically balanced magnetoresistive elements laminated on opposite sides of an electrically conductive film
SONY CORP15 citations74
US4757410AJul 12, 1988
Magnetoresistance effect for short and long wavelength recordings
SONY CORP15 citations74
US7009819B2Mar 7, 2006
Magnetic reproducing head having a structure to inhibit electrostatic discharge damage to a recording tape
SONY CORP7 citations73
US5661620AAug 26, 1997
Magneto-resistance effect magnetic head
SONY CORP5 citations73
US4695908ASep 22, 1987
Thin film type magnetic transducer head
SONY CORP9 citations73
US4516179AMay 7, 1985
Magnetic transducer head utilizing magnetoresistance effect
SONY CORP11 citations73
US6704174B2Mar 9, 2004
Magnetic recording and playback device with ESD protection
SONY CORP11 citations71
US4713710ADec 15, 1987
Compact multiple magnetic head apparatus
SONY CORP13 citations70
US6130810AOct 10, 2000
Magnetic reluctance effect magnetic head with the connection length of the forward electrode less than the facing length of the magnetic gap
SONY CORP5 citations63
US5825594AOct 20, 1998
Magneto-resistance effect-type magnetic head
SONY CORP3 citations63
US7525774B2Apr 28, 2009
Magneto-resistance effect type magnetic head and magnetic tape apparatus
SONY CORP6 citations62
US6985336B2Jan 10, 2006
Magnetic reproducing head having a structure to inhibit electrostatic discharge to a recording tape
SONY CORP2 citations62
US5786965AJul 28, 1998
Magneto-resistance effect magnetic head
SONY CORP5 citations62
US4524401AJun 18, 1985
Magnetic transducer head utilizing magneto resistance effect with a bias field and partial saturation
SONY CORP4 citations62
US6246545B1Jun 12, 2001
Head slider with asymmetric air rails
SONY CORP1 citations52
US5689225ANov 18, 1997
Method for driving magneto-resistive element
SONY CORP0 citations52
US6646833B1Nov 11, 2003
Head assembly capable of reading floppy discs of varying densities and floppy-disc drive incorporating the same
SONY CORP0 citations41